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74LVC241A PDF预览

74LVC241A

更新时间: 2024-09-26 14:54:19
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美台 - DIODES /
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10页 417K
描述
Octal Buffer/Line Driver with 3 State Outputs

74LVC241A 数据手册

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74LVC241A  
OCTAL BUFFER/LINE DRIVER WITH 3 STATE OUTPUTS  
Description  
Pin Assignments  
The 74LVC241A provides two 4-bit buffers/drivers with separate  
output-enable (1OE and 2OE) inputs. When 1OE is low or 2OE is  
high, the device passes noninverted data from the A inputs to the  
Y outputs. When 1OE is high or 2OE is low, the outputs for the  
respective buffers/drivers are in the high-impedance state.  
( Top View )  
)
(
Top Transparent View  
terminal 1  
index area  
1
20  
19  
18  
17  
16  
Vcc  
2OE  
1Y1  
2A4  
1Y2  
2A3  
1Y3  
2A2  
1Y4  
2A1  
1OE  
1A1  
2Y4  
2
3
1A1  
2Y4  
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
2
3
4
5
6
7
8
9
19 2OE  
18  
1Y1  
4
5
6
7
1A2  
2Y3  
1A3  
2Y2  
1A4  
2Y1  
GND  
17  
2A4  
The device is designed for operation with a power supply range of  
1.65V to 3.6V.  
16  
1Y2  
15  
2A3  
15  
14  
13  
12  
1Y3  
2A2  
1Y4  
14  
13  
12  
The inputs are tolerant to 5.5V allowing this device to be used in a  
mixed voltage environment. The device is fully specified for partial  
8
9
power down applications using IOFF. The IOFF circuitry disables the  
10  
11  
output preventing damaging current backflow when the device is  
powered down.  
QFN-20  
TSSOP-20  
Applications  
Features  
General Purpose Logic  
Supply Voltage Range from 1.65V to 3.6V  
Sinks or Sources 24mA at VCC = 3V  
CMOS Low Power Consumption  
Bus Driving  
Power Down Signal Isolation  
Wide array of products such as:  
I
OFF Supports Partial -Power Down Operation  
ƒ
ƒ
PCs, Notebooks, Netbooks, Ultrabooks  
Inputs or Outputs Accept up to 5.5V  
Networking Computer Peripherals, Hard Drives, CD/DVD  
Inputs Can Be Driven by 3.3V or 5V Allowing for Mixed Voltage  
Applications  
ROM  
ƒ
TV, DVD, DVR, Set Top Box  
Schmitt Trigger Action at All Inputs  
Typical VOLP (Quiet Output Ground Bounce) Less than 0.8V with  
VCC = 3.3V and TA = +25°C  
Typical VOHV (Quiet Output Dynamic VOH) Greater than 2.0V  
with VCC = 3.3V and TA = +25°C  
ESD Protection Tested per JESD 22  
ƒ
ƒ
ƒ
Exceeds 200-V Machine Model (A115)  
Exceeds 2000-V Human Body Model (A114)  
Exceeds 1000-V Charged Device Model (C101)  
Latch-Up Exceeds 250mA per JESD 78, Class I  
All devices are:  
ƒ
ƒ
Totally Lead-Free & Fully RoHS compliant (Notes 1 & 2)  
Halogen and Antimony Free. “Green” Device (Note 3)  
Notes:  
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.  
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen and Antimony free,  
"Green" and Lead-Free.  
3. Halogen and Antimony free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and  
<1000ppm antimony compounds.  
1 of 10  
www.diodes.com  
July 2014  
© Diodes Incorporated  
74LVC241A  
Document number: DS35887 Rev. 1 - 2  

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